Trailer hitch



FIG. 1 is a right front perspective view of a trailer hitch showing my new design; and

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a right side elevational view thereof. 

The ornamental design for a trailer hitch, as shown. 